Home / 793,288.80-1,190,613.60-320,313.60

Finding the Fourth Proportional to 793,288.80, 1,190,613.60 and 320,313.60

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Solution

The fourth proportional to 793,288.80, 1,190,613.60 and 320,313.60 is: 480,745.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,288.80 : 1,190,613.60 = 320,313.60 : x
  2. Step 2: Convert to fraction form
    793,288.80/1,190,613.60 = 320,313.60/x
  3. Step 3: Cross multiply
    793,288.80x = 1,190,613.60 × 320,313.60
  4. Step 4: Simplify right side
    793,288.80x = 381,369,728,424.96
  5. Step 5: Solve for x
    x = 381,369,728,424.96/793,288.80
  6. Step 6: Final answer
    x = 480,745.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.